Search a number
-
+
42003152 = 2423157727
BaseRepresentation
bin1010000000111…
…0101011010000
32221000222111022
42200032223100
541223100102
64100135012
71020010112
oct240165320
987028438
1042003152
1121789654
1212097468
138918549
1458153b2
153a4a5a2
hex280ead0

42003152 has 40 divisors (see below), whose sum is σ = 85577856. Its totient is φ = 19933056.

The previous prime is 42003149. The next prime is 42003163. The reversal of 42003152 is 25130024.

It is a self number, because there is not a number n which added to its sum of digits gives 42003152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57413 + ... + 58139.

Almost surely, 242003152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42003152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42788928).

42003152 is an abundant number, since it is smaller than the sum of its proper divisors (43574704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42003152 is a wasteful number, since it uses less digits than its factorization.

42003152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 42003152 is about 6480.9838759250. The cubic root of 42003152 is about 347.6113598552.

Adding to 42003152 its reverse (25130024), we get a palindrome (67133176).

The spelling of 42003152 in words is "forty-two million, three thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 23 46 92 157 184 314 368 628 727 1256 1454 2512 2908 3611 5816 7222 11632 14444 16721 28888 33442 57776 66884 114139 133768 228278 267536 456556 913112 1826224 2625197 5250394 10500788 21001576 42003152